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| author | Kees Cook <keescook@chromium.org> | 2019-03-15 10:14:41 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-03-18 09:43:35 +0100 |
| commit | 08c0102474a3f3a0fc1934e4bb047154bcdfd525 (patch) | |
| tree | a178302fd8b7c1b9d2b22d2edb05ee086e7e3d1a | |
| parent | a327b29adca7fe634d257fb7793b02aada9c88af (diff) | |
| download | barebox-08c0102474a3f3a0fc1934e4bb047154bcdfd525.tar.gz barebox-08c0102474a3f3a0fc1934e4bb047154bcdfd525.tar.xz | |
ramoops: use DT reserved-memory bindings
Instead of a ramoops-specific node, use a child node of /reserved-memory.
This requires that of_platform_device_create() be explicitly called
for the node, though, since "/reserved-memory" does not have its own
"compatible" property.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit 529182e204db]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | fs/pstore/ram.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 98c11e456d..8dc583ea86 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -377,27 +377,19 @@ static int ramoops_parse_dt(struct device_d *dev, struct ramoops_platform_data *pdata) { struct device_node *of_node = dev->device_node; - struct device_node *mem_region; - struct resource res; + struct resource *res; u32 value; int ret; - mem_region = of_parse_phandle(of_node, "memory-region", 0); - if (!mem_region) { - dev_err(dev, "no memory-region phandle\n"); - return -ENODEV; - } - - ret = of_address_to_resource(mem_region, 0, &res); - if (ret) { + res = dev_get_resource(dev, IORESOURCE_MEM, 0); + if (!res) { dev_err(dev, - "failed to translate memory-region to resource: %d\n", - ret); - return ret; + "failed to locate DT /reserved-memory resource\n"); + return -EINVAL; } - pdata->mem_size = resource_size(&res); - pdata->mem_address = res.start; + pdata->mem_size = resource_size(res); + pdata->mem_address = res->start; pdata->mem_type = of_property_read_bool(of_node, "unbuffered"); pdata->dump_oops = !of_property_read_bool(of_node, "no-dump-oops"); |